Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887886 | Colored articles with interference layers made of a composite of silicon dioxide and silicon carbide | Toshio Shimizu | 1989-12-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887886 | Colored articles with interference layers made of a composite of silicon dioxide and silicon carbide | Toshio Shimizu | 1989-12-19 |